Across the nation, schools are implementing a three-tiered approach to school-wide discipline similar to the diagram shown here (Simonsen, Sugai, & Negron, 2008). The focus of this article is to provide research and application resources for an evidence-based practice applicable for students at risk for developing more challenging behaviors (approximately 15% of the student population)…. Read More Area of Focus: Effective Schoolwide Discipline Check-in Check-out: A Secondary Intervention